Helmet lamp



FIG. 1 is a front elevational view of a helmet lamp showing my new design;

FIG. 2 is a front perspective view thereof on a reduced scale;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The helmet is shown in broken lines in FIGS. 2 and 3 for illustrative purposes only. 

The ornamental design for a helmet lamp, as shown and described. 